// Copyright (c) 2016 Mantano
// Licensed to the Readium Foundation under one or more contributor license agreements.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation and/or
//    other materials provided with the distribution.
// 3. Neither the name of the organization nor the names of its contributors may be
//    used to endorse or promote products derived from this software without specific
//    prior written permission
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


#ifndef __JSON_VALUE_READER_H__
#define __JSON_VALUE_READER_H__

#include <sstream>
#include "rapidjson/document.h"
#include "public/LcpStatus.h"

namespace lcp
{
    class JsonValueReader
    {
    public:
        std::string ReadString(const std::string & name, const rapidjson::Value & jsonValue);
        std::string ReadStringCheck(const std::string & name, const rapidjson::Value & jsonValue);
        std::string ConvertToString(const rapidjson::Value & value);

        bool ReadBoolean(const std::string & name, const rapidjson::Value & jsonValue);
        int  ReadInteger(const std::string & name, const rapidjson::Value & jsonValue);

        const rapidjson::Value & ReadObject(const std::string & name, const rapidjson::Value & jsonValue);
        const rapidjson::Value & ReadObjectCheck(const std::string & name, const rapidjson::Value & jsonValue);

        const rapidjson::Value & ReadArray(const std::string & name, const rapidjson::Value & jsonValue);
        const rapidjson::Value & ReadArrayCheck(const std::string & name, const rapidjson::Value & jsonValue);

        static Status CreateRapidJsonError(rapidjson::ParseErrorCode errorCode, size_t offset = InvalidOffset);

    private:
        static const size_t InvalidOffset = -1;
    };
}

#endif //__JSON_VALUE_READER_H__
